Mens diving automatic mechanical watches 200M luminous 42mm submarine wristwatches AD2103

Watch model: AD2103
Type of movement: automatic machinery
Movement type: Japanese NH36
Movement features: 3 hands/calendar/week, 21,600 times per hour (3Hz) frequency, stop-second device, two-way automatic winding, 24 gems, 41 hours of energy storage.
Case material: 316L stainless steel
Watch case technology: polishing + Lassa
Bottom cover material: 316L stainless steel
Bottom cover type: screw - in solid bottom cover
Case diameter: 42mm (excluding head)
Case length: 47.7mm (total length from top to bottom)
Case thickness: 13.7mm (including lens and bottom cover)
Shell ear position: 23.3mm
Watch weight: 193G (including steel strap)
Watch length: 220mm (total watch length/perimeter)
Strap material: stainless steel
Mirror material: Synthetic sapphire
Type of mirror: plain sapphire
Mirror mirror coating: Internal coating Swiss shadowless anti-reflective film
Glass size: 30.00mm*2.80mm (diameter * thickness)
Crown type: Screw - in crown
Crown size: 7.00mm (diameter)
Ring material: stainless steel
Baffle function: one-way rotation
Luminous watch circle: 240,000 / KG,C3 super luminous powder, green light
Surface color: gradient red, gradient blue, gradient orange
Surface luminescence: 240,000 / KG,C3 super luminous powder, green light
Waterproof grade: 200 meters waterproof/diving [can wash hands, swim, dive, meet all the daily waterproof requirements]
Exhaust valve: None
Packaging standard: professional waterproof plastic box packaging